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Posts for: lautenk2
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Mar 30, 2022 16:41:10   #
Longshadow wrote:
Perfect?
Profound?
...


Not quite, ... you are PROGRAMMED

I used to think I was what I ate, now I know better.
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Sep 4, 2021 13:01:30   #
jerryc41 wrote:
Well, that's interesting. I thought the 9000 was dead - with modern drivers no longer available.


Like Valenta said, my Canon Pro9000 Mk II also still works great on Win 10 on the old drivers which are apparently modern enough.
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Sep 3, 2021 23:20:38   #
Can you set up your iMac as a dual-boot machine, and run Win 10 as the second OS? I know that's possible on some Macs, I don't know which. I believe there's also a capability to run a virtual Windows machine from within the Mac OS, again I don't know which Macs can do this. Anyway, Windows would work with the Canon drivers.
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Jun 1, 2021 13:51:31   #
grandpaw wrote:
I have both cameras and I am still getting use to them both. Which one would be better in your opinion for taking low light concert pictures? I also have the D500.

I have the s24-70mm F4 for the z6ii
I have the Tamron 2.8 for the D810
I also have the Nikon 70-200f2.8 f mount that will work on either camera with my ZTF adapter


Is your Tamron 2.8 the G2 model? I understand the first generation Tamron 24-70 f2.8 doesn't work with the FTZ adapter, but after I did a firmware update on my 24-70 G2 it works great on a Z7 w/FTZ. Should work for you.
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Jun 1, 2021 13:43:02   #
Longshadow wrote:


me too!
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May 29, 2021 14:30:12   #
Longshadow wrote:
I don't have Caller ID on the house phone.
Could be my wife, kids, doctor's office, or friends.
But I can tell in less than 5 seconds if it's a garbage call and simply hang up.

Had one from a "call center" (noise in background), asked if I could hear him (yes, with an accent),
I replied "No.". He stated "The fact that you replied "No" means that you can hear me.".
I said "No shit Sherlock!" and hung up.
Sometimes it's fun.
I don't have Caller ID on the house phone. br Coul... (show quote)


Sometimes I've done worse. It might be fun to argue whether or not I should be proud of that, but not here. BTW, I don't have a land line anymore, and caller ID is included on cell.
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May 29, 2021 13:20:48   #
Longshadow wrote:
I suppose you don't use an answering machine either.


Mostly I don't when I reject the call. So when my Nigerian prince's lawyer tries to make me a millionaire, I will miss the call. In the meantime, I won't miss telephone conversations with thieves.
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May 29, 2021 11:45:14   #
It's sad, but half the damage is done before you give answers (that don't matter) to random questions. When you pick up the phone, you've just validated to the spammer that your phone number reached an actual person, which is valuable information to them. I pretty much don't answer the phone if I don't recognize the caller's number.
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Mar 21, 2021 15:35:33   #
Rongnongno wrote:
Cost????


The alternatives of this quality cost more. Also, depends on the size. An 82mm will be about $135.

I don't buy filters from Amazon anymore because it turned out that almost half of the B+W filters I had were counterfeit. Amazon complained only a little and they let me return them for refund.
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Mar 15, 2021 14:33:38   #
markngolf wrote:
Are there no more pretty blond girls?
Mark


You won't find any in a new Cadillac convertible. Pity.

My mom learned to drive in a '56 Firedome, pink & white. Took a corner on 2 wheels once on the way home from Sunday school (at the bottom of a steep hill). Went through 6 sets of brakes & 3 transmission rebuilds in 3 years. Mom didn't shy away from speed, that car was fast.
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Mar 6, 2021 19:43:56   #
hj wrote:
I don't understand. If the extra SD cards were made by the same factory.... what's the problem?


Because if you get a bad card, or a card with a smaller capacity than its label indicates (surprise, ... vendors that lie, cheat & steal have multiple ways to do that), you will have no recourse with the "official" manufacturer. They will know that those cards are not theirs, so no warranty for you. Happens all the time, read the reviews on Amazon to see.
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Mar 6, 2021 18:26:11   #
R.G. wrote:
I'm left wondering if "Made in China" might be an indicator of questionable authenticity.


Why are you wondering?
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Feb 20, 2021 19:18:48   #
The antenna controls are computer driven and they update many times per second. Tracking something on mars has the antenna slewing much less quickly than tracking a satellite in Low Earth Orbit (LEO)(100 or 200 miles for example). LEO objects are only in line-of-sight view of any particular ground based antenna for a matter of minutes as a satellite travels from horizon to horizon in that time. So, tracking a LEO object has the antenna moving plenty fast, likely near its maximum design rate. In both cases, the antenna is moving (perhaps not fast enough to see, like the minute hand on a clock for example) continuously the whole time it's operating.

There are different modes of tracking. For initial signal acquisition, the antenna is pointed at where the control system calculates the target to be. After signal acquisition, it's possible to have the antenna point at where the signal is strongest (and there are ways to tell if you're aimed slightly off center and which direction), and then just follow that. This was all much simplified, but true.

My last USAF duty station is now under US Space Force.

BTW, breaking news: Perseverance rover has just reported the helicopter is alive, awake, and having its battery charge topped-up.
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Feb 20, 2021 15:08:46   #
Tommg wrote:
Does anyone on this site have any guess as to approximately how long it takes a picture to get from mars to earth? How do they correct for the spinning of the earth in order to receive the picture on earth? What is the composition of the atmosphere on mars? Thanks


Depending on where they are in their orbits, earth and mars are approx. 35 million miles to 250 million miles apart. Right now, about 130,000,000 miles so RF (or light) takes about 12 minutes to make that trip.

I don't understand what you're getting at exactly with your question on correcting for the spinning of the earth to receive. There are fairly complex calculations involving the position of an antenna here and the position of an antenna on mars (or in orbit around mars, or wherever) but that's to figure out exactly where to point the antenna (for weak signals far away, highly directional antennas are used and they must be precisely aimed to work). So long as the antennas are aimed at each other, you can exchange signals. The doppler frequency shift in the RF signal for the velocities involved here is pretty small so not a significant problem.

I don't remember the composition of mars atmosphere, except that it's not especially corrosive or poisonous, but it is very thin. The atmospheric pressure, and more importantly the density, on the surface of mars is about the same as that flying at 100,000 feet altitude above earth. Nobody around here flies helicopters up to 100,000 feet altitude. This will be really interesting.
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Feb 20, 2021 13:10:31   #
dpullum wrote:
Monday we will have hi-resolution photos. This photo was taken thru a thin plastic dust cover. Interesting to see if the helicopter flies... Quite a long way from the bouncing ball landing a decade ago.. wow for the sky crane


I can't wait for the helicopter. I read on space.com or somewhere that the pre-flight setup/checkout will take a month or so.
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